Single reduction drill



FIG. 1 is a top plan view of a single reduction drill;

FIG. 2 is a left side elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear view; and,

FIG. 6 is a left side elevational view. 

The ornamental design of a single reduction drill, as shown and described. 